Mumbai to Amritsar is an approximately 4.5-hour flight. You can also drive; or take a train. Traveling from Mumbai in February, you will find days in Amritsar are slightly colder (25°C), and nights are much colder (8°C). Finish up your sightseeing early on the 11th (Tue) so you can go by car to Dalhousie.

You can drive from Amritsar to Dalhousie in 3.5 hours. Other options are to do a combination of train and bus; or do a combination of train and taxi. Finish up your sightseeing early on the 13th (Thu) so you can go by car to Dharamsala.